Réamhaisnéis limistear na farraige
Forecast valid from: 11:00, Saturday 31 January 2026 until 12:00, Sunday 01 February 2026
Small Craft Warning
West to north-west winds will increase to force 6 or higher tonight (Saturday night) and for a time on Sunday on Irish coasts from Roches Point to Slyne Head to Bloody Foreland.
Gale Warning
Nil
Atlantic Swell
Nil
Meteorological Situation at 09:00 UTC
Low Pressure of 988hPa centred over the north Irish Sea extends a moderate to fresh north-west or cyclonic variable air-flow over Ireland. A weakening frontal trough lies across the north-east of the country.
Gale Warning: In effect
Small Craft Warning: In effect
Heavy Swell (>4m) : yes
Forecast for Howth Head to Dungarvan to Slyne Head and for the Irish Sea South of Anglesey
Wind: West to southwest force 4 or 5. Soon becoming southwest force 4 or 5. Later increasing west to northwest force 5 or 6 and occasionally reaching force 7 between Mizen Head and Slyne Head.
Weather: Scattered outbreaks of rain and drizzle with a few mist patches.
Visibility: Decreasing moderate to poor in precipitation or mist.
Forecast for Slyne Head to Erris Head to Bloody Foreland
Wind: Southeast to east force 3 or 4. Soon becoming south to south-west force 3 to 5. Later increasing west force 5 to 7.
Weather: Scattered outbreaks of rain and drizzle with a few mist patches.
Visibility: Decreasing moderate to poor in precipitation or mist.
Forecast for Bloody Foreland to Fair Head to Belfast Lough
Wind: East force 3 or 4. Soon becoming south or variable force 3 or less. Later becoming southwest to west force 5 or 6.
Weather: Scattered outbreaks of rain and drizzle with a few mist patches.
Visibility: Decreasing moderate to poor in precipitation or mist.
Forecast for Belfast Lough to Carlingford Lough to Howth Head and for the Irish Sea North of Anglesey
Wind: Northwest or cyclonic variable force 4 or 5. Soon becoming southwest force 4 or 5.
Weather: Scattered outbreaks of rain and drizzle with a few mist patches.
Visibility: Decreasing moderate to poor in precipitation or mist.
Outlook for a further 24 hours until 12:00, Monday 02 February 2026
Moderate to fresh west to northwest winds becoming light and variable for a time on Sunday evening. Strong to gale force southeast to east winds will develop over Ireland during the course of Sunday night and during Monday.
Forecast issued at: 11:00, Saturday 31 January 2026
All times are local unless specified
